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              <p>近日恰逢公司 RPC框架替换, 调研时尝试使用 springcloud, 但是各方资料均以 springboot 为基础, 而公司并没有使用 springboot,  一些项目奠基于 2013, 近年来虽有升级, 但并没有拥抱 springboot.</p>
<p>恰巧本人是个 spring fans,  值此契机, 尝试将内部一项目迁移至 springboot, 坑碰到不少, 以此文稍作记录, 以备查阅.</p>
          
      
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              <p>组装机的硬盘挂了, SanDisk 240G SSD, 具体型号不表, 售后以换代修, but 数据丢失.<br>以下简单记录重装 macos 的步骤.</p>
          
      
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              <p>引入状态存储, env.</p>
          
      
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              <p>实现一个简单的四则运算计算器.<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div></pre></td><td class="code"><pre><div class="line">(+ 1 (* 2 3)  =&gt; 7</div><div class="line">(+ 1 2 3 4) =&gt; 10</div></pre></td></tr></table></figure></p>
          
      
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      <a class="article-title" href="/2017/07/20/mal-step1-read-print/">Make A Lisp[1]-读取&amp;输出</a>
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        <p>这一步应该是所有后续步骤的根基了,  文本流-&gt; token -&gt; 内部数据类型 -&gt; 可读的输出.<br>REPL 的 R(read) , P(print) 基本就实现了. 后续大部分是完善 EVAL 的过程了. </p>
<h2 id="解决方案"><a href="#解决方案" class="headerlink" title="解决方案"></a>解决方案</h2><p>REF: <a href="https://github.com/guxingke/mal/blob/feature/java8_temp/process/guide.md#step-1-read-and-print" target="_blank" rel="external"> step-1-read-and-print</a><br>理论什么的,没什么高深支出, 相对于 编译原理 这种难啃的骨头, 这篇 guide 可谓简洁.<br>毕竟 lisp 的代码就是 ast… , 相对来讲解析会简单很多. </p>
<h2 id="TIPS"><a href="#TIPS" class="headerlink" title="TIPS"></a>TIPS</h2><p>采用 interface 作为 mal 语言的根类型.<br>所有的类型均不可变. </p>
<h2 id="USE"><a href="#USE" class="headerlink" title="USE"></a>USE</h2><figure class="highlight bash"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">make <span class="built_in">test</span>^java2^step1</div></pre></td></tr></table></figure>
<p>稍显繁琐, 于是在 shell 里加了方法<br><figure class="highlight bash"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div></pre></td><td class="code"><pre><div class="line"><span class="keyword">function</span> <span class="function"><span class="title">tm</span></span>() &#123;</div><div class="line">  make <span class="built_in">test</span>^java2^step<span class="variable">$1</span></div><div class="line">&#125;</div><div class="line"></div><div class="line">tm 1 <span class="comment">#  like this.</span></div></pre></td></tr></table></figure></p>
<h2 id="结"><a href="#结" class="headerlink" title="结"></a>结</h2><p>read_form, read_list 的递归解析实现了 mal 的语法分析.<br>PR: <a href="https://github.com/guxingke/mal/pull/12" target="_blank" rel="external">https://github.com/guxingke/mal/pull/12</a></p>

      
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              <p>从 REPL(read, eval, print, loop) 起步, 此步骤不考虑可选任务的话, 很简单.</p>
          
      
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              <blockquote>
<p>生命不息, 折腾不止.</p>
</blockquote>
<p>缘起, 在 github 上发现一个很有趣的项目, <a href="https://github.com/kanaka/mal">mal</a>, 10步即可打造一个可以 Self-Hosting(自举, 即自身解释执行自身)的 lisp 解释器. 恰巧鄙人对 编程语言 比较感兴趣, 恰巧有这么一个项目, 不如跟随先驱者的脚步, DO IT. </p>
          
      
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              <p>cron 备忘</p>
          
      
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              <p>对现有( JIRA )的痛点描述, 以及预期的工具应提供的功能.</p>
<h2 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</h2><p>公司内部使用协作工具, JIRA, Tower, Confluence.<br>作为开发, 主要接触 JIRA. </p>
          
      
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        <blockquote>
<p> Don’t Repeat Yourself    </p>
</blockquote>
<p>框架的定位</p>
<ul>
<li>解决某一特定领域的问题, 比如 Java web 开发.</li>
<li>DRY,  把不变的流程逻辑加以封装. </li>
<li>开发可专注于业务逻辑. </li>
</ul>
<p>TODO….</p>

      
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